Finding the Fourth Proportional to 56,144.50, 77,479.41 and 30,994.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,144.50 : 77,479.41 = 30,994.18 : x
2. Step 2: Convert to fraction form
   56,144.50/77,479.41 = 30,994.18/x
3. Step 3: Cross multiply
   56,144.50x = 77,479.41 × 30,994.18
4. Step 4: Simplify right side
   56,144.50x = 2,401,410,779.83
5. Step 5: Solve for x
   x = 2,401,410,779.83/56,144.50
6. Step 6: Final answer
   x = 42,771.97